package com.itheima.reggie.common;

/**
 * Created with IntelliJ IDEA.
 * User: zjz
 * Date: 2022/07/14 20:07
 * Description:
 * Version: V1.0
 */

import com.itheima.reggie.common.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.io.FileNotFoundException;
import java.sql.SQLIntegrityConstraintViolationException;


/**
 * 全局异常处理
 */

@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 异常处理方法
     * @return
     */

    //todo 完善全局异常处理
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());

        if (ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return R.error(msg);
        }

        return R.error("未知错误");
    }


    /**
     * 异常处理方法
     * @return
     */

    //todo 完善全局异常处理
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());


        return R.error(ex.getMessage());
    }

    @ExceptionHandler(FileNotFoundException.class)
    public void exceptionHandler(FileNotFoundException ex){
        log.error(ex.getMessage());
    }
}
